Ultra-sensitive glycol sensing performance with rapid-recovery based on heterostructured ZnO-SnO2 hollow nanotube

被引：30

作者：

Xu, X. H. ^{[1
]}

Ma, S. Y. ^{[1
]}

Xu, X. L. ^{[1
]}

Han, T. ^{[1
]}

Pei, S. T. ^{[1
]}

Tie, Y. ^{[1
]}

Cao, P. F. ^{[1
]}

Liu, W. W. ^{[1
]}

Wang, B. J. ^{[1
]}

Zhang, R. ^{[1
]}

Zhang, J. L. ^{[1
]}

机构：

[1] Northwest Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Lanzhou 730070, Peoples R China

来源：

MATERIALS LETTERS | 2020年 / 273卷

基金：

中国国家自然科学基金;

关键词：

ZnO-SnO2 hollow nanotubes; Electrospinning; Glycol; Sensors; Semiconductors; NANOSPHERES;

D O I：

10.1016/j.matlet.2020.127967

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, we successfully synthesized heterostructured ZnO-SnO2 composite nanotubes for high performance glycol gas sensor combined with certain calcination treatment. The as-prepared sample was characterized by various technologies. The sensor based on this hybrid nanotube displayed high response (47.71) toward 150 ppm glycol at 210 degrees C with response/recovery time of approximately 55 and 13 s respectively, even to 5 ppm glycol with a response of about 2.16. It also showed excellent repeatability and long-term stability. These good sensing properties are mainly attributed to the ZnO-SnO2 hollow heterostructure which possesses a large surface area and porosity. Besides, the sensing mechanism was elaborated at length. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：5

共 14 条

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